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165546-25-8

9H-Purine, 6-(4-pyridinyl)- synthesis

2synthesis methods
4(3H)-Pyrimidinone, 5-amino-6-(4-pyridinyl)-

165546-09-8
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9H-Purine,  6-(4-pyridinyl)-

165546-25-8
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Yield:-

Steps:

Multi-step reaction with 5 steps
1: 3A molecular sieves / 18 h / 150 °C
2: POCl3 / 0.5 h / Heating
3: 2N aq. HCl
4: 58 percent / conc. NH4OH / ethanol / 16 h / 150 °C
5: 94 percent / 21 h / 150 °C

References:

Estep;Josef;Bacon;Carabateas;Rumney IV;Pilling;Krafte;Volberg;Dillon;Dugrenier;Briggs;Canniff;Gorczyca;Stankus;Ezrin [Journal of Medicinal Chemistry,1995,vol. 38,# 14,p. 2582 - 2595]